We offer a wide range of standard fans for a variety of applications and fans for OEM applications. All Rosenberg fans are equipped with direct driven external rotor motors which are manufactured in-house. The Rosenberg fans offer you fans with decisive advantages in comparison to conventional fans:

extremely long service life
compact design
motor and impeller assembled in one unit
the speed is 100% controllable (auto transformers ; controller)
low start-up current
Rosenberg fans are equipped with motor protection through thermal contacts as a standard feature
The impellers are balanced on 2 levels according to DIN ISO 1940 (quality grade G2.5).